Paramecium (noun)

A genus of unicellular ciliate protozoan that is commonly found in freshwater ponds and streams.

Origin:

The word "paramecium" is derived from greek word "para" meaning beside, and "meke" meaning long, it is a genus of unicellular ciliate protozoan that is commonly found in freshwater ponds and streams.

Examples:

1. The paramecium is a single-celled organism that is typically found in freshwater ponds and streams.
2. The paramecium is a type of protozoan that can move using hair-like structures called cilia.
3. Paramecium is a common genus of ciliates, and is widely studied in biology and microbiology.
4. Paramecium is able to move, feed, and reproduce without the aid of other organisms.
5. Paramecium is a good model organism for studying the behavior and physiology of single-celled organisms.